<template>
<div class="header">
    <van-icon name="arrow-left" class="icon" @click="toBack"/>
    <div>{{title}}</div>
    <div class="edit" v-if="edit" @click="handleEdit">{{
    store.state.edit ? "编辑":"完成"
    }}</div>
</div>
</template>

<script>
import { Toast } from 'vant';
import { useRouter } from 'vue-router'
import {useStore} from 'vuex'
export default {
    props:['title','edit'],
    setup(){
      const router = useRouter();
      const store = useStore();
      const toBack=()=>{
        router.back();
      }
      const handleEdit =()=>{
        if(store.state.cartList.length){
          store.commit("edit")
          store.commit("changeDelete")
        }else{
          Toast.fail("请添加商品到购物车")
        }
      }
      return{
        toBack,
        handleEdit,
        store,
      }
    }
}
</script>

<style lang="less" scoped>
.header {
    background-color: #fff;
    height: 40px;
    font-size: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #d7d7d7;
    .edit {
      font-size: 16px;
      position: absolute;
      right: 15px;
      font-weight: normal;
    }
    .icon {
      position: absolute;
      left: 10px;
    }
  }
</style>